

public class SystemFormMgr : Singleton<SystemFormMgr>
{

    private Form form_Window;

    public Form SystemForm
    {
        get
        {
            if (form_Window == null)
            {
#if UNITY_STANDALONE_WIN || UNITY_EDITOR
       form_Window = new Form_Window();
#elif UNITY_ANDROID || UNITY_IPHONE
       form_Window = new Form_Android();     
#elif UNITY_IOS
      form_Window = new Form_IOS();   
#endif   
            }
            return form_Window;
        }
    }
}
